Home / 42,509-63,736.16-16,199.38

Finding the Fourth Proportional to 42,509, 63,736.16 and 16,199.38

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Solution

The fourth proportional to 42,509, 63,736.16 and 16,199.38 is: 24,288.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,509 : 63,736.16 = 16,199.38 : x
  2. Step 2: Convert to fraction form
    42,509/63,736.16 = 16,199.38/x
  3. Step 3: Cross multiply
    42,509x = 63,736.16 × 16,199.38
  4. Step 4: Simplify right side
    42,509x = 1,032,486,275.58
  5. Step 5: Solve for x
    x = 1,032,486,275.58/42,509
  6. Step 6: Final answer
    x = 24,288.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.